Forget long lines and constant walking—Kendall Jenner got all of Six Flags Magic Mountain to herself today!

The young E! star and her family rented the amusement park to celebrate Kendall's 18th birthday (her actual big day is on Sunday), and big sister Kim Kardashian documented some of the fun through a couple Keek videos.

"We're here for Kendall's birthday party and we rented out Magic Mountain. No one else is in the entire theme park but us and the people there to greet us," the newly engaged celeb said in the first video.

"But look, no one's even working in the concession stands. And we get to drive instead of walk. This is real lazy, but this is what Kendall wanted and it is a nice surprise for her and I'm excited for her. So happy birthday Kendall."

In another Keek, Kim got adventurous and recorded part of her ride on a roller coaster. "I hope this isn't too scary," she said, "We better not drop our phone." Luckily, the DASH doll never lost contact with her phone, but viewers may have lost some hearing from her loud screams. It's all good. She was sitting in the front after all.

Kendall posted a photo on Instagram of the empty theme park at night with the caption, "All to ourselves," while Khloé Kardashian Odom snapped a few pictures from today's event. "Kendall runs this town today," she wrote, along with, "I talk to animals.... Stuffed animals."

Catch a new episode of Keeping Up With the Kardashians this Sunday at 9 p.m., only on E!

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